Definitions.

In this subpart— Commuting area has the same meaning given that term in § 351.203 of this chapter. Minimum retirement age means an age based on an individual's year of birth, as follows: Year of Birth Minimum Retirement Age Before 1948 55 years. 1948 55 years and 2 months. 1949 55 years and 4 months. 1950 55 years and 6 months. 1951 55 years and 8 months. 1952 55 years and 10 months. 1953-1964 56 years. 1965 56 years and 2 months. 1966 56 years and 4 months. 1967 56 years and 6 months. 1968 56 years and 8 months. 1969 56 years and 10 months. 1970 and after 57 years.